CVE-2022-30741 in Find My Mobile
Summary
by MITRE • 06/07/2022
Sensitive information exposure vulnerability in SimChangeAlertManger of Find My Mobile prior to 7.2.24.12 allows local attackers with log access permission to get sim card information through device log.
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Analysis
by VulDB Data Team • 06/10/2022
The vulnerability identified as CVE-2022-30741 represents a critical sensitive data exposure flaw within the SimChangeAlertManager component of Samsung's Find My Mobile service. This vulnerability affects versions prior to 7.2.24.12 and demonstrates a significant security weakness in how mobile device manufacturers handle sensitive telecommunications data within their logging mechanisms. The flaw specifically resides in the manner in which SIM card information is managed and stored within device logs, creating an unintended data disclosure channel that exposes confidential subscriber information to unauthorized local access.
The technical implementation of this vulnerability stems from inadequate data sanitization and logging practices within the Find My Mobile application's SimChangeAlertManager module. When the system detects SIM card changes, it appears to log sensitive information including SIM card identifiers, subscriber details, and potentially other telecommunications metadata without proper obfuscation or access controls. This logging behavior creates a persistent repository of sensitive data that can be accessed by any local attacker who possesses the necessary log access permissions. The vulnerability manifests as a direct information disclosure mechanism where attacker-controlled processes can retrieve SIM card information from system logs, bypassing normal access controls and authentication mechanisms.
From an operational impact perspective, this vulnerability creates a substantial risk for mobile device users and organizations relying on Samsung's Find My Mobile service. Local attackers with minimal privileges can exploit this flaw to obtain sensitive SIM card information, potentially enabling identity theft, account takeover, and unauthorized mobile service access. The attack vector is particularly concerning because it requires only log access permissions rather than elevated privileges or complex exploitation techniques. This vulnerability aligns with CWE-200, which addresses the improper exposure of sensitive information, and represents a classic example of insecure logging practices that can compromise user privacy and security. The implications extend beyond individual user privacy to potential corporate security risks where mobile devices contain sensitive business information.
The exploitation of this vulnerability demonstrates a fundamental flaw in mobile application security design where sensitive information is not properly protected during routine system operations. Attackers can leverage this weakness to gain unauthorized access to SIM card details, which may include ICCID numbers, IMSI identifiers, and other subscriber-specific information that could be used for fraudulent activities. This vulnerability also maps to ATT&CK technique T1074.001, which covers data staging through local logs, highlighting how attackers can use legitimate system logging functions as a means to access sensitive information. The security implications extend to potential cascading effects where compromised SIM information could be used to impersonate users on mobile networks, access mobile banking services, or conduct SIM swapping attacks against victims.
Organizations and users should implement immediate mitigations including updating to Samsung Find My Mobile version 7.2.24.12 or later, which contains the necessary patches to address this vulnerability. System administrators should also review and restrict log access permissions to prevent unauthorized local access to sensitive system logs. Additional defensive measures include implementing log monitoring and alerting systems to detect unusual access patterns and ensuring proper data sanitization practices are implemented in all logging mechanisms. The vulnerability underscores the importance of secure coding practices and proper handling of sensitive information throughout the application lifecycle, particularly in mobile environments where physical access to devices may be more readily available to potential attackers.